Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SNCKNHPARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
603-268 A Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-268 0 Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-268 7 Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-268 8 Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 A Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 1 Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 2 Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 3 Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 4 Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 5 Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 6 Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 7 Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 8 Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 9 Suncook NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.